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Cheap flights from Washington, D.C. to Knock from €973

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Knock departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Washington, D.C. to Knock

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:15 - 16:40
IAD
-
NOC
18h 25m
2 stops
Multiple Airlines Logo
09:10 - 20:35
NOC
-
IAD
40h 25m
3 stops
€973Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
17:06 - 12:35
IAD
-
NOC
14h 29m
2 stops
Multiple Airlines Logo
13:05 - 07:44
NOC
-
IAD
47h 39m
2 stops
€1,005Multiple Airlines
Wed, 27 May - Wed, 3 Jun
Aer Lingus Logo
17:35 - 12:35
IAD
-
NOC
14h 00m
1 stop
Aer Lingus Logo
13:05 - 15:45
NOC
-
IAD
31h 40m
2 stops
€1,025Aer Lingus
Wed, 27 May - Wed, 3 Jun
Multiple Airlines Logo
19:15 - 12:35
IAD
-
NOC
12h 20m
1 stop
Multiple Airlines Logo
13:05 - 15:50
NOC
-
IAD
31h 45m
1 stop
€1,031Multiple Airlines
Wed, 27 May - Wed, 3 Jun
Multiple Airlines Logo
17:40 - 12:35
IAD
-
NOC
13h 55m
1 stop
Multiple Airlines Logo
13:05 - 17:30
NOC
-
IAD
33h 25m
1 stop
€1,066Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
09:45 - 12:35
IAD
-
NOC
21h 50m
3 stops
Multiple Airlines Logo
09:25 - 15:10
NOC
-
IAD
34h 45m
3 stops
€1,080Multiple Airlines
Wed, 27 May - Wed, 3 Jun
Multiple Airlines Logo
15:25 - 16:20
IAD
-
NOC
19h 55m
3 stops
Multiple Airlines Logo
16:55 - 20:35
NOC
-
IAD
32h 40m
3 stops
€1,090Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
12:40 - 12:35
IAD
-
NOC
18h 55m
2 stops
Multiple Airlines Logo
09:25 - 15:10
NOC
-
IAD
34h 45m
3 stops
€1,113Multiple Airlines
Wed, 27 May - Wed, 3 Jun
Aer Lingus Logo
17:15 - 12:35
IAD
-
NOC
14h 20m
2 stops
Aer Lingus Logo
13:05 - 15:45
NOC
-
IAD
31h 40m
2 stops
€1,160Aer Lingus
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
13:20 - 16:40
IAD
-
NOC
22h 20m
2 stops
Multiple Airlines Logo
08:30 - 11:35
NOC
-
IAD
32h 05m
2 stops
€1,190Multiple Airlines
Sat, 13 Jun - Sat, 20 Jun

Aer Lingus flights from Washington, D.C. to Knock

Our best Aer Lingus deals on Washington, D.C. to Knock flight tickets
Aer Lingus
27 May
IAD17:35Washington, D.C. Dulles Intl
14h 00m
1 stop
NOC12:35Knock Intl
3 Jun
NOC13:05Knock Intl
31h 40m
2 stops
IAD15:45Washington, D.C. Dulles Intl
€1,025
Aer Lingus
10 Jun
IAD17:15Washington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35Knock Intl
17 Jun
NOC13:05Knock Intl
31h 40m
2 stops
IAD15:45Washington, D.C. Dulles Intl
€1,160
Aer Lingus
21 Jun
IAD21:00Washington, D.C. Dulles Intl
34h 35m
2 stops
NOC12:35Knock Intl
28 Jun
NOC13:05Knock Intl
31h 40m
2 stops
IAD15:45Washington, D.C. Dulles Intl
€1,321

British Airways flights from Washington, D.C. to Knock

Our best British Airways deals on Washington, D.C. to Knock flight tickets
British Airways
10 Jun
IAD17:40Washington, D.C. Dulles Intl
13h 55m
1 stop
NOC12:35Knock Intl
17 Jun
NOC13:05Knock Intl
31h 40m
2 stops
IAD15:45Washington, D.C. Dulles Intl
€1,194
British Airways
12 Aug
IAD17:34Washington, D.C. Dulles Intl
14h 01m
2 stops
NOC12:35Knock Intl
19 Aug
NOC13:05Knock Intl
11h 35m
1 stop
IAD19:40Washington, D.C. Dulles Intl
€1,283
British Airways
18 Jul
IAD19:15Washington, D.C. Dulles Intl
12h 20m
1 stop
NOC12:35Knock Intl
27 Jul
NOC13:05Knock Intl
12h 15m
1 stop
IAD20:20Washington, D.C. Dulles Intl
€1,560

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 1 May 2026.
Use the filters below to find and compare flights from Washington, D.C. to Knock that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 10/6

17:15-16:40

2 stops18h 25m

Knock Intl

Wed 17/6

09:10-20:35

3 stops40h 25m

€973

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 27/5

17:06-12:35

2 stops14h 29m

Knock Intl

Wed 3/6

13:05-07:44

2 stops47h 39m

€1,005

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 27/5

17:35-12:35

1 stop14h 00m

Knock Intl

Wed 3/6

13:05-15:45

2 stops31h 40m

€1,025
Fastest return journey

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 27/5

19:15-12:35

1 stop12h 20m

Knock Intl

Wed 3/6

13:05-15:50

1 stop31h 45m

€1,031

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 10/6

17:40-12:35

1 stop13h 55m

Knock Intl

Wed 17/6

13:05-17:30

1 stop33h 25m

€1,066

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 27/5

09:45-12:35

3 stops21h 50m

Knock Intl

Wed 3/6

09:25-15:10

3 stops34h 45m

€1,080

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 10/6

15:25-16:20

3 stops19h 55m

Knock Intl

Wed 17/6

16:55-20:35

3 stops32h 40m

€1,090

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 27/5

12:40-12:35

2 stops18h 55m

Knock Intl

Wed 3/6

09:25-15:10

3 stops34h 45m

€1,113

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 10/6

17:15-12:35

2 stops14h 20m

Knock Intl

Wed 17/6

13:05-15:45

2 stops31h 40m

€1,160

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sat 13/6

13:20-16:40

2 stops22h 20m

Knock Intl

Sat 20/6

08:30-11:35

2 stops32h 05m

€1,190

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from Washington, D.C. to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Knock?

On average, it takes 10h 10m to fly from Washington, D.C. to Knock if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Shannon, Clare (the most popular airport in Knock). If you’re flying out of Baltimore and into Shannon, Clare, then the flight time is around 12h 20m.

When to book flights from Washington, D.C. to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to Knock (WAS to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Knock

Fastest flight time

22h 20m

Direct flights

None
The fastest flight from Washington, D.C. to Knock takes 22h 20m
There are no direct flights from Washington, D.C. to Knock. There are no popular flight routes from Washington, D.C. to Knock.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Knock

  • How far is Washington, D.C. to Knock Intl by plane?

    Washington, D.C. and Knock Intl are 5256.3 km apart from one another. Typically, this will take 22h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Knock Intl Airport?

    Prices for flights from Washington, D.C. to Knock Intl Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. to Knock Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Knock on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

Once all potential Washington, D.C. to Knock flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

Price alerts on flights to Knock from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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